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Date: Thu, 26 Mar 2009 16:22:51 +0100
From: Georg Bauhaus <rm.dash-bauhaus@futureapps.de>
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Subject: Re: Ada-Singleton-Why does it work like this?
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Date: 2009-03-26T16:22:51+01:00
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Dmitry A. Kazakov schrieb:
> On Thu, 26 Mar 2009 15:07:39 +0100, Georg Bauhaus wrote:
> 
>> Maciej Sobczak schrieb:
>>
>>> Or not - maybe it is a way to express some property of the *type* that
>>> cannot be expressed due to the limitations in the language?
>> If "type" means the tuple ({values}, operations), then these
>> should be a few types where |{values}| = 1.
> 
> No, singleton does not mean "one value."

Right, however, how can a type bedefined to have "one object"
if the type has a set of values of cardinality > 1?
That is, can "singleton" be made a property of a type
other than programmatically?